Rémi Bernon : msvcr80/tests: Test _dupenv_s outcome with missing env var.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a48d470e97e158d834fba582d707b55a05706d27
URL:    https://gitlab.winehq.org/wine/wine/-/commit/a48d470e97e158d834fba582d707b55...

Author: Rémi Bernon 
Date:   Thu Feb 23 12:18:11 2023 +0100

msvcr80/tests: Test _dupenv_s outcome with missing env var.

---

dlls/msvcr80/tests/msvcr80.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/dlls/msvcr80/tests/msvcr80.c b/dlls/msvcr80/tests/msvcr80.c
index a2a3734f6c0..0910dc83b3d 100644
--- a/dlls/msvcr80/tests/msvcr80.c
+++ b/dlls/msvcr80/tests/msvcr80.c
@@ -62,6 +62,7 @@ static int (__cdecl *p__close)(int);
 static intptr_t (__cdecl *p__get_osfhandle)(int);
 static int (__cdecl *p_strcmp)(const char *, const char *);
 static int (__cdecl *p_strncmp)(const char *, const char *, size_t);
+static int (__cdecl *p_dupenv_s)(char **, size_t *, const char *);

#define SETNOFAIL(x,y) x = (void*)GetProcAddress(hcrt,y)
 #define SET(x,y) do { SETNOFAIL(x,y); ok(x != NULL, "Export '%s' not found\n", y); } while(0)
@@ -83,6 +84,7 @@ static BOOL init(void)

SET(p_strcmp, "strcmp");
     SET(p_strncmp, "strncmp");
+    SET(p_dupenv_s, "_dupenv_s");

return TRUE;
 }
@@ -184,6 +186,23 @@ static void test_strcmp(void)
     ok( ret == 0, "wrong ret %d\n", ret );
 }

+static void test_dupenv_s(void)
+{
+    size_t len;
+    char *tmp;
+    int ret;
+
+    len = 0xdeadbeef;
+    tmp = (void *)0xdeadbeef;
+    ret = p_dupenv_s( &tmp, &len, "nonexistent" );
+    todo_wine
+    ok( !ret, "_dupenv_s returned %d\n", ret );
+    todo_wine
+    ok( !len, "_dupenv_s returned length is %Id\n", len );
+    todo_wine
+    ok( !tmp, "_dupenv_s returned pointer is %p\n", tmp );
+}
+
 START_TEST(msvcr80)
 {
     if(!init())
@@ -191,4 +210,5 @@ START_TEST(msvcr80)

test_ioinfo_flags();
     test_strcmp();
+    test_dupenv_s();
 }